Home / 106,519.47-147,050.13-66,246.21

Finding the Fourth Proportional to 106,519.47, 147,050.13 and 66,246.21

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Solution

The fourth proportional to 106,519.47, 147,050.13 and 66,246.21 is: 91,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,519.47 : 147,050.13 = 66,246.21 : x
  2. Step 2: Convert to fraction form
    106,519.47/147,050.13 = 66,246.21/x
  3. Step 3: Cross multiply
    106,519.47x = 147,050.13 × 66,246.21
  4. Step 4: Simplify right side
    106,519.47x = 9,741,514,040.93
  5. Step 5: Solve for x
    x = 9,741,514,040.93/106,519.47
  6. Step 6: Final answer
    x = 91,452.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.